PlantFun
Plant Needs
Sunlight
Prefers full to partial sun; tolerates light shade, but excessive shade reduces flowering
Watering
Water when the top 2–3 cm of soil dries out; avoid overwatering to prevent root rot
Temperature
Cold hardy to -10°C; thrives in cool temperate conditions; avoid prolonged temperatures above 32°C
Characteristics
- Leaf: Basal leaves are lobed and toothed; stem leaves are perfoliate, forming a circular clasp around the stem
- Flower: Dense umbel clusters of tiny, star-shaped bright yellow flowers
- Stem: Hollow, erect, smooth green stems with faint ribbing
Care Guide
Watering
Keep soil consistently moist but not waterlogged to support active growth
Fertilization
Apply diluted balanced liquid fertilizer once monthly. Discontinue fertilization in late autumn when growth slows
Composted banana peel tea：Soak fully composted banana peels in water for 24 hours; dilute the tea at a 1:20 ratio before applying to soil; discard solid peels to avoid attracting pestsPruning
- Deadhead spent flower clusters to prevent unwanted self-seeding in garden beds
- Cut back entire plant to ground level after flowering to encourage fresh basal growth the following spring
- Remove yellowing or damaged leaves regularly to improve air circulation and reduce disease risk
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA does not list this species specifically, but related Apiaceae members may cause vomiting, diarrhea, and abdominal pain if ingested
Humans: Contains furanocoumarins that may cause skin photosensitivity if exposed to sunlight after contact; mild gastrointestinal upset if ingested
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden plant; young leaves were historically used in cooking, but modern use is discouraged due to photosensitivity risks
